AU2001221614A1 - Communication system and method using transmit diversity - Google Patents

Communication system and method using transmit diversity

Info

Publication number
AU2001221614A1
AU2001221614A1 AU2001221614A AU2161401A AU2001221614A1 AU 2001221614 A1 AU2001221614 A1 AU 2001221614A1 AU 2001221614 A AU2001221614 A AU 2001221614A AU 2161401 A AU2161401 A AU 2161401A AU 2001221614 A1 AU2001221614 A1 AU 2001221614A1
Authority
AU
Australia
Prior art keywords
communication system
transmit diversity
diversity
transmit
communication
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2001221614A
Inventor
Jyri Hamalainen
Risto Wichman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Oyj filed Critical Nokia Oyj
Publication of AU2001221614A1 publication Critical patent/AU2001221614A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/40—TPC being performed in particular situations during macro-diversity or soft handoff

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
AU2001221614A 2000-11-21 2000-11-21 Communication system and method using transmit diversity Abandoned AU2001221614A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2000/011597 WO2002043272A1 (en) 2000-11-21 2000-11-21 Communication system and method using transmit diversity

Publications (1)

Publication Number Publication Date
AU2001221614A1 true AU2001221614A1 (en) 2002-06-03

Family

ID=8164168

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001221614A Abandoned AU2001221614A1 (en) 2000-11-21 2000-11-21 Communication system and method using transmit diversity

Country Status (2)

Country Link
AU (1) AU2001221614A1 (en)
WO (1) WO2002043272A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7035242B2 (en) 2002-07-29 2006-04-25 Interdigital Technology Corporation Method and apparatus for delivery of universal mobile telecommunications system (UMTS) based unidirectional services over a wireless local area network (WLAN)
US7263132B2 (en) * 2002-08-13 2007-08-28 Mitsubishi Electric Research Laboratories, Inc. Adaptive space-time transmit diversity coding for MIMO systems
US7376192B2 (en) * 2004-07-22 2008-05-20 Telefonaktiebolaget L M Ericsson (Publ) Delta modulation for channel feedback in transmit diversity wireless communication systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication

Also Published As

Publication number Publication date
WO2002043272A1 (en) 2002-05-30

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